/* styles.css - 최종 모바일 최적화 v3 */
@import url('https://fonts.googleapis.com/css2?family=Nanum+Gothic:wght@400;700;800&display=swap');

:root {
  --primary-blue: #0073b0;
  --secondary-blue: #004b8d;
  --accent-yellow: #ffb900;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #333333;
  --white: #ffffff;
  --text-dark: #222222;
  --text-light: #555555;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);

  --lotto-yellow: #fbc400;
  --lotto-blue: #69c8f2;
  --lotto-red: #ff7272;
  --lotto-gray: #aaaaaa;
  --lotto-green: #b0d840;

  /* 다크 모드 변수 */
  --bg-color: #eef3f7;
  --card-bg-color: var(--white);
  --text-color: var(--text-dark);
  --text-light-color: var(--text-light);
  --border-color: var(--medium-gray);
  --header-bg: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
}

:root[data-theme='dark'] {
  --primary-blue: #1a9fff;
  --secondary-blue: #0073b0;
  --accent-yellow: #ffc720;
  --light-gray: #2a2a2a;
  --medium-gray: #444444;
  --dark-gray: #e0e0e0;
  --white: #1e1e1e;
  --text-dark: #f5f5f5;
  --text-light: #a0a0a0;

  --bg-color: #121212;
  --card-bg-color: #1e1e1e;
  --text-color: #f5f5f5;
  --text-light-color: #a0a0a0;
  --border-color: #333333;
  --header-bg: #1e1e1e;
}


* { box-sizing: border-box; }

body {
  font-family: 'Nanum Gothic', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-color);
  min-height: 100vh;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-color);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

.container { max-width: 1100px; width: 100%; padding: 0 15px; }

header {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  text-align: center;
  margin-bottom: 25px;
  padding: 25px 20px;
  background: var(--header-bg);
  border-radius: 0 0 16px 16px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  border-bottom: 5px solid var(--accent-yellow);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

h1 { color: var(--white); margin: 0; font-weight: 800; font-size: 2.4rem; letter-spacing: -1px; text-shadow: 1px 1px 2px rgba(0,0,0,0.3); }
.subtitle { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin: 0; margin-top: -10px; }

.card { background: var(--card-bg-color); border-radius: 12px; box-shadow: var(--shadow); padding: 25px; margin-bottom: 25px; border: 1px solid var(--border-color); transition: background-color 0.3s, border-color 0.3s; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 15px; padding-bottom: 15px; border-bottom: 2px solid var(--light-gray); }
.card-title { font-size: 1.5rem; font-weight: 700; color: var(--secondary-blue); margin: 0; }
.card-subtitle { font-size: 1.2rem; font-weight: 700; color: var(--text-color); margin-top: 25px; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); }

.card-title-group { display: flex; align-items: center; gap: 15px; flex-wrap: wrap; }

select, .btn, input[type="text"], input[type="password"], input[type="tel"] { padding: 10px 15px; border-radius: 8px; font-weight: 700; transition: all 0.2s ease; border: 1px solid var(--border-color); background: var(--card-bg-color); color: var(--text-color); font-size: 0.95rem; font-family: 'Nanum Gothic', sans-serif; }
select:focus, input:focus { outline: none; border-color: var(--primary-blue); box-shadow: 0 0 0 3px rgba(0, 115, 176, 0.2); }

.btn { background: var(--primary-blue); color: var(--white); border: none; cursor: pointer; box-shadow: 0 2px 5px rgba(0, 115, 176, 0.3); text-align: center; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn:hover { background: var(--secondary-blue); transform: translateY(-1px); box-shadow: 0 4px 8px rgba(0, 75, 141, 0.3); }
.btn-secondary { background: #6c757d; color: var(--white); }
.btn-secondary:hover { background: #5a6268; }

.btn-logout { background: transparent; border: 1px solid rgba(255, 255, 255, 0.7); padding: 8px 15px; font-size: 0.9rem; }
.btn-logout:hover { background: rgba(255, 255, 255, 0.15); border-color: var(--white); }

.btn-refresh { background: var(--accent-yellow); color: var(--secondary-blue); border: none; padding: 12px 20px; font-size: 1rem; box-shadow: 0 2px 5px rgba(255, 185, 0, 0.4); }
.btn-refresh:hover { background: #ffc720; box-shadow: 0 4px 10px rgba(255, 185, 0, 0.5); }

.latest-draw-info { background: var(--card-bg-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; text-align: center; box-shadow: var(--shadow); }
.draw-title { font-size: 1.6rem; font-weight: 800; color: var(--secondary-blue); margin-bottom: 20px; }
.winning-numbers { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 15px; }
.winning-num, .bonus-num, .prediction-num, .analysis-num, .num, .history-num { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 50%; color: var(--dark-gray); font-weight: 800; font-size: 1.3rem; box-shadow: inset 0 -3px 4px rgba(0,0,0,0.15), 0 2px 5px rgba(0,0,0,0.2); position: relative; border: 2px solid #fff; }
.bonus-label { color: var(--text-light-color); font-weight: 700; margin: 0 8px; font-size: 1.5rem; }
.draw-date { font-size: 1rem; color: var(--text-light-color); margin-top: 15px; }

.prize-info { display: flex; justify-content: space-around; background-color: var(--light-gray); border-radius: 10px; padding: 15px; margin-top: 20px; }
.prize-item { text-align: center; }
.prize-label { display: block; font-size: 0.9rem; color: var(--text-light-color); margin-bottom: 5px; }
.prize-value { font-size: 1.2rem; font-weight: 800; color: var(--primary-blue); }

.winners-section { background: var(--card-bg-color); border-radius: 12px; padding: 20px; margin-bottom: 25px; box-shadow: var(--shadow); }
.winners-title { font-size: 1.5rem; font-weight: 800; color: var(--secondary-blue); text-align: center; margin-top: 0; margin-bottom: 20px; }
.winners-list { display: flex; flex-direction: column; gap: 15px; }
.winner-card { display: flex; align-items: center; justify-content: space-between; background: var(--light-gray); padding: 15px; border-radius: 10px; border-left: 5px solid var(--accent-yellow); flex-wrap: wrap; }
.winner-info { display: flex; align-items: center; gap: 12px; }
.winner-rank-badge { background: var(--primary-blue); color: var(--white); font-weight: 700; padding: 5px 12px; border-radius: 15px; font-size: 1rem; min-width: 50px; text-align: center; }
.winner-name { font-size: 1.1rem; font-weight: 700; }
.winner-numbers { display: flex; gap: 6px; }
.winner-numbers .num { width: 36px; height: 36px; font-size: 1rem; transition: transform 0.3s ease, box-shadow 0.3s ease; }
.winner-numbers .num.matched, .history-numbers .num.matched { border: 2px solid #fff; transform: scale(1.15); animation: glowing-matched 1.5s infinite ease-in-out; z-index: 10; position: relative; }
.winner-numbers .num.bonus-matched, .history-numbers .num.bonus-matched { animation-name: glowing-bonus; }
.winner-actions { margin-top: 15px; width: 100%; text-align: right; }
.btn-like { background: var(--medium-gray); color: var(--text-light-color); border: none; padding: 8px 15px; border-radius: 20px; cursor: pointer; transition: all 0.3s ease; font-size: 0.9rem; }
.btn-like:hover:not(:disabled) { background: #e53935; color: var(--white); }
.btn-like.liked, .btn-like:disabled { background: #e53935; color: var(--white); cursor: not-allowed; }
.btn-like i { margin-right: 5px; }

.ai-prediction { background: linear-gradient(to bottom, var(--primary-blue), var(--secondary-blue)); color: var(--white); padding: 25px; border-radius: 12px; margin-bottom: 25px; box-shadow: var(--shadow-lg); text-align: center; }
.prediction-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 20px; }
.prediction-numbers { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; justify-content: center; }
.prediction-num { color: var(--white); background: rgba(255,255,255,0.1); border: 2px solid rgba(255,255,255,0.3); box-shadow: inset 0 2px 3px rgba(0,0,0,0.2), 0 2px 4px rgba(0,0,0,0.3); }

/* --- Quick Actions 버튼 리뉴얼 --- */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 25px;
    padding: 0 10px;
}

.quick-actions .btn {
    color: white !important;
    font-weight: 800;
    font-size: 1rem;
    padding: 15px 10px;
    border-radius: 12px;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1), inset 0 -3px 0 rgba(0,0,0,0.2);
}

.quick-actions .btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2), inset 0 -2px 0 rgba(0,0,0,0.1);
}

.quick-actions .btn i {
    margin-right: 8px;
    font-size: 1.2rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.btn-balanced { background: linear-gradient(135deg, #FFC371, #FF5F6D); }
.btn-ai { background: linear-gradient(135deg, #89216B, #DA4453); }
.btn-hot { background: linear-gradient(135deg, #f5af19, #f12711); }
.btn-cold { background: linear-gradient(135deg, #00c6ff, #0072ff); }
.btn-pattern { background: linear-gradient(135deg, #00b09b, #96c93d); }
.btn-mcmc { background: linear-gradient(135deg, #4776e6, #8e54e9); animation: pulse-mcmc 2s infinite; }

@keyframes pulse-mcmc {
    0% { box-shadow: 0 0 0 0 rgba(142, 84, 233, 0.5), 0 4px 6px rgba(0,0,0,0.1), inset 0 -3px 0 rgba(0,0,0,0.2); }
    70% { box-shadow: 0 0 0 10px rgba(142, 84, 233, 0), 0 8px 15px rgba(0,0,0,0.2), inset 0 -2px 0 rgba(0,0,0,0.1); }
    100% { box-shadow: 0 0 0 0 rgba(142, 84, 233, 0), 0 4px 6px rgba(0,0,0,0.1), inset 0 -3px 0 rgba(0,0,0,0.2); }
}


.sets-header { display: flex; justify-content: space-between; align-items: center; margin-top: 25px; margin-bottom: 15px; }
.sets-header h4 { margin: 0; font-size: 1.3rem; color: var(--secondary-blue); }
.sets-header div { display: flex; gap: 10px; }

.sets { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.set { background: var(--card-bg-color); border-radius: 10px; padding: 15px; border: 1px solid var(--border-color); box-shadow: var(--shadow); display: flex; flex-direction: column; align-items: center; }
.set-header { display: flex; justify-content: space-between; width: 100%; margin-bottom: 15px; }
.set-label { font-weight: 800; font-size: 1.1rem; color: var(--secondary-blue); }
.set-strategy { font-size: 0.9rem; color: var(--text-light-color); }
.nums { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-bottom: 15px; }
.set .num { width: 42px; height: 42px; font-size: 1.1rem; }

/* --- 탭 메뉴 리뉴얼 --- */
.tabs {
    display: flex;
    gap: 10px;
    margin-top: 30px;
    margin-bottom: 25px;
    padding: 5px;
    background-color: var(--light-gray);
    border-radius: 50px; /* 둥근 컨테이너 */
    border: none;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
    white-space: nowrap;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
    flex: 1 1 auto;
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-light-color);
    border-radius: 50px; /* 알약 모양 */
    border: none;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab:hover {
    background-color: rgba(0,0,0,0.05);
}

.tab.active {
    color: var(--white);
    background: var(--primary-blue);
    box-shadow: 0 3px 8px rgba(0, 115, 176, 0.4);
    transform: translateY(-2px);
}

.tab i {
    font-size: 1.1rem;
}

.tab-content { display: none; background: var(--card-bg-color); padding: 25px; border: 1px solid var(--border-color); border-top: none; border-radius: 0 0 10px 10px; margin-top: -25px; }
.tab-content.active { display: block; }


.analysis-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.analysis-card { background: var(--light-gray); border-radius: 10px; padding: 20px; }
.analysis-card.hot { border-left: 4px solid var(--lotto-red); }
.analysis-card.cold { border-left: 4px solid var(--lotto-blue); }
.analysis-card.companion { border-left: 4px solid var(--lotto-green); }
.analysis-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 15px; color: var(--secondary-blue); }
.number-list { display: flex; flex-wrap: wrap; gap: 8px; }
.analysis-num { width: 48px; height: 48px; font-size: 1.2rem; }

.companion-list { display: flex; flex-direction: column; gap: 15px; }
.companion-pair { display: flex; align-items: center; gap: 8px; }
.plus-icon { font-size: 1.2rem; color: var(--text-light-color); }
.pair-count { font-size: 1rem; font-weight: 700; color: var(--primary-blue); margin-left: auto; }

.ball-yellow { background-color: var(--lotto-yellow) !important; }
.ball-blue   { background-color: var(--lotto-blue) !important; }
.ball-red    { background-color: var(--lotto-red) !important; }
.ball-gray   { background-color: var(--lotto-gray) !important; color: var(--white) !important; }
.ball-green  { background-color: var(--lotto-green) !important; }

.auth-buttons { display: flex; gap: 10px; }
.auth-btn { padding: 8px 16px; border-radius: 6px; font-weight: 700; cursor: pointer; border: 1px solid var(--white); font-size: 0.9rem; }
.login-btn { background: transparent; color: var(--white); }
.login-btn:hover { background: rgba(255,255,255,0.2); }
.register-btn { background: var(--accent-yellow); color: var(--secondary-blue); border-color: var(--accent-yellow); }
.register-btn:hover { background: #ffc720; }
.user-info { display: flex; align-items: center; gap: 12px; color: var(--white); }

.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0, 0, 0, 0.6); -webkit-animation-name: fadeIn; animation-name: fadeIn; -webkit-animation-duration: 0.4s; animation-duration: 0.4s; align-items: center; justify-content: center; }
.modal-content { position: relative; background-color: var(--card-bg-color); margin: auto; padding: 35px; border: 1px solid #888; width: 90%; max-width: 420px; border-radius: 15px; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3); -webkit-animation-name: slideIn; animation-name: slideIn; -webkit-animation-duration: 0.5s; animation-duration: 0.5s; text-align: center; }
#pastWinningsModal .modal-content { max-width: 700px; }
.close-modal { color: #aaa; position: absolute; top: 15px; right: 25px; font-size: 28px; font-weight: bold; transition: 0.3s; }
.close-modal:hover, .close-modal:focus { color: #333; text-decoration: none; cursor: pointer; }
.modal-title { font-size: 2rem; font-weight: 800; color: var(--secondary-blue); margin-bottom: 25px; }
.form-group { margin-bottom: 20px; text-align: left; }
.form-label { display: block; margin-bottom: 8px; font-weight: 700; color: var(--text-light-color); font-size: 0.9rem; }
.form-input { width: 100%; padding: 12px 15px; border: 2px solid var(--border-color); border-radius: 8px; font-size: 1rem; transition: border-color 0.3s; }
.form-input:focus { border-color: var(--primary-blue); outline: none; }
.form-submit { width: 100%; padding: 14px; background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue)); color: white; border: none; border-radius: 8px; font-weight: 700; cursor: pointer; margin-top: 15px; font-size: 1.1rem; transition: transform 0.2s, box-shadow 0.3s; box-shadow: 0 4px 10px rgba(0, 115, 176, 0.3); }
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 6px 15px rgba(0, 75, 141, 0.4); }
.form-footer { margin-top: 25px; font-size: 0.9rem; color: var(--text-light-color); }
.form-link { color: var(--primary-blue); font-weight: 700; cursor: pointer; text-decoration: none; }
.form-link:hover { text-decoration: underline; }
.alert { padding: 12px; margin-bottom: 20px; border-radius: 8px; font-weight: 700; }
.alert-error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

.pattern-analysis-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.pattern-analysis-card { background: var(--light-gray); border-radius: 12px; padding: 20px; display: flex; flex-direction: column; }
.pattern-analysis-title { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: 700; color: var(--secondary-blue); margin-top: 0; margin-bottom: 20px; }
.pattern-analysis-title i { font-size: 1.5rem; color: var(--primary-blue); }
.pattern-chart-container { height: 180px; display: flex; justify-content: space-around; align-items: flex-end; gap: 10px; width: 100%; margin-top: auto; }
.bar-item { flex: 1; display: flex; flex-direction: column; align-items: center; text-align: center; }
.bar-value { width: 70%; background-color: var(--primary-blue); border-radius: 5px 5px 0 0; transition: height 0.5s ease-out; position: relative; opacity: 0.8; }
.bar-value:hover { opacity: 1; transform: scaleY(1.05); }
.bar-label { font-size: 0.85rem; margin-top: 8px; font-weight: 700; }
.stats-list { display: flex; flex-direction: column; gap: 18px; margin-top: auto; }
.stat-item-new { display: flex; justify-content: space-between; align-items: center; font-size: 1rem; }
.stat-label { font-weight: 700; color: var(--text-color); }
.stat-value { font-weight: 800; color: var(--primary-blue); font-size: 1.1rem; }
.stat-bar { width: 60%; height: 20px; background-color: var(--medium-gray); border-radius: 10px; display: flex; overflow: hidden; box-shadow: inset 0 1px 2px rgba(0,0,0,0.1); }
.stat-bar-odd { background-color: var(--lotto-blue); }
.stat-bar-even { background-color: var(--lotto-red); }
.stat-bar-high { background-color: var(--lotto-green); }
.stat-bar-low { background-color: var(--lotto-yellow); }

.number-board-container { background-color: #e9eef2; padding: 20px; border-radius: 12px; box-shadow: inset 0 2px 5px rgba(0,0,0,0.1); }
.number-board { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; max-width: 450px; margin: 0 auto 20px auto; }
.num-pad-btn { aspect-ratio: 1 / 1; display: flex; justify-content: center; align-items: center; font-size: 1.1rem; font-weight: 700; border-radius: 50%; cursor: pointer; transition: all 0.2s ease; background-color: var(--white); box-shadow: 0 2px 3px rgba(0,0,0,0.1); border: 2px solid transparent; }
.num-pad-btn:hover { transform: scale(1.1); z-index: 1; }
.num-pad-btn.preferred { background-color: var(--accent-yellow); color: var(--dark-gray); border-color: #fff; box-shadow: 0 0 10px var(--accent-yellow); }
.num-pad-btn.excluded { background-color: var(--lotto-gray); color: var(--white); text-decoration: line-through; opacity: 0.7; }
.number-pad-controls { display: flex; justify-content: center; gap: 15px; margin-bottom: 20px; }
.btn-mode { padding: 10px 20px; border: 2px solid var(--border-color); background-color: var(--card-bg-color); color: var(--text-light-color); font-size: 1rem; }
.btn-mode.active { border-color: var(--primary-blue); background-color: var(--primary-blue); color: var(--white); }

.simulation-results-container { background: var(--light-gray); border-radius: 12px; padding: 25px; margin-top: 20px; }
.simulation-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 20px; text-align: center; }
.simulation-stat-card { background: var(--card-bg-color); padding: 20px; border-radius: 10px; box-shadow: var(--shadow); border-bottom: 4px solid var(--border-color); transition: all 0.3s ease; }
.simulation-stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-bottom-color: var(--primary-blue); }
.simulation-stat-card .rank-label { font-size: 1.2rem; font-weight: 800; margin-bottom: 10px; display: block; color: var(--text-light-color); }
.simulation-stat-card .count-value { font-size: 2.5rem; font-weight: 800; line-height: 1; color: var(--text-color); }
.simulation-stat-card .count-unit { font-size: 1rem; color: var(--text-light-color); margin-left: 5px; }

.history-list-container { max-height: 500px; overflow-y: auto; padding-right: 10px; }
.history-group { margin-bottom: 20px; }
.history-date-header { font-size: 1.2rem; font-weight: 800; color: var(--secondary-blue); padding-bottom: 10px; border-bottom: 2px solid var(--border-color); margin-bottom: 15px; }

.history-card { background: #fdfdfd; border: 1px solid var(--border-color); border-left: 5px solid var(--primary-blue); border-radius: 10px; padding: 10px 15px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 15px; margin-bottom: 10px; flex-wrap: nowrap; }
.history-header { display: flex; align-items: center; gap: 12px; flex-grow: 1; min-width: 0; }
.history-strategy { font-weight: 700; font-size: 1rem; white-space: nowrap; flex-shrink: 0; }
.history-draw-no { font-size: 0.85rem; font-weight: bold; color: #007bff; background-color: #e7f3ff; padding: 3px 8px; border-radius: 10px; white-space: nowrap; }
.history-time { font-size: 0.9rem; color: var(--text-light-color); margin-left: auto; padding-left: 10px; white-space: nowrap; }
.history-numbers { display: flex; gap: 5px; align-items: center; }
.history-numbers .num { width: 34px; height: 34px; font-size: 0.9rem; }
.history-rank-badge { font-weight: 800; color: white; padding: 6px 12px; border-radius: 15px; font-size: 0.9rem; box-shadow: 0 2px 5px rgba(0,0,0,0.2); text-align: center; min-width: 50px; }

.rank-1 { background: linear-gradient(45deg, #ff416c, #ff4b2b); }
.rank-2 { background: linear-gradient(45deg, #4776e6, #8e54e9); }
.rank-3 { background: linear-gradient(45deg, #2193b0, #6dd5ed); }
.rank-4 { background: linear-gradient(45deg, #11998e, #38ef7d); }
.rank-5 { background: linear-gradient(45deg, #f7971e, #ffd200); }
.rank-낙첨 { background-color: var(--lotto-gray); }
.rank-결과대기 { background-color: var(--medium-gray); color: var(--text-dark); }

.guide-box { background-color: #eef3f7; border-left: 5px solid var(--primary-blue); padding: 15px 20px; margin-bottom: 25px; border-radius: 0 8px 8px 0; }
.guide-title { font-size: 1.1rem; font-weight: 700; color: var(--secondary-blue); margin-top: 0; margin-bottom: 10px; }
.guide-box ol { padding-left: 20px; margin: 0; line-height: 1.8; }
.guide-box li { margin-bottom: 5px; }
.divider { height: 1px; background-color: var(--border-color); margin: 25px 0; }
.schedule-settings { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.form-actions { display: flex; gap: 15px; margin-top: 25px; }
.form-actions .btn { flex: 1; }
.switch-label { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.switch { position: relative; display: inline-block; width: 50px; height: 28px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; }
.slider.round { border-radius: 28px; }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 4px; bottom: 4px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--primary-blue); }
input:focus + .slider { box-shadow: 0 0 1px var(--primary-blue); }
input:checked + .slider:before { transform: translateX(22px); }

.footer { margin-top: 40px; color: var(--text-light-color); text-align: center; font-size: 0.9rem; padding: 20px; width: 100%; }
.footer-actions { margin-bottom: 20px; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-light-color); background-color: var(--light-gray); border-radius: 10px; }

/* Past Winnings Modal Styles */
.past-winnings-container { max-height: 60vh; overflow-y: auto; padding-right: 15px; text-align: left; }
.past-winning-set { margin-bottom: 25px; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }
.past-winning-set:last-child { border-bottom: none; }
.past-winning-set h4 { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; margin-bottom: 15px; }
.past-winning-set h4 .nums { display: flex; gap: 5px; }
.past-winning-set h4 .num { width: 30px; height: 30px; font-size: 0.8rem; }
.past-winning-list { list-style: none; padding: 0; margin: 0; }
.past-winning-list li { background-color: var(--light-gray); border-radius: 8px; padding: 10px 15px; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.past-win-info { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.past-win-info .draw-no { font-size: 1.1rem; color: var(--secondary-blue); }
.past-win-info .rank-badge { font-size: 0.9rem; padding: 4px 10px; }
.past-win-info .draw-date { font-size: 0.9rem; color: var(--text-light-color); }
.past-win-numbers { display: flex; align-items: center; gap: 5px; }
.past-win-numbers .num { width: 32px; height: 32px; font-size: 0.9rem; opacity: 0.7; }
.past-win-numbers .num.matched { opacity: 1; font-weight: 800; border: 2px solid var(--text-color); }
.no-past-winnings { padding: 20px; text-align: center; color: var(--text-light-color); }


@keyframes glowing-matched { 0% { box-shadow: 0 0 3px #fff, 0 0 6px #fff, 0 0 9px #f57c00, 0 0 12px #f57c00; } 50% { box-shadow: 0 0 6px #fff, 0 0 12px #f57c00, 0 0 18px #f57c00, 0 0 24px #f57c00; } 100% { box-shadow: 0 0 3px #fff, 0 0 6px #fff, 0 0 9px #f57c00, 0 0 12px #f57c00; } }
@keyframes glowing-bonus { 0% { box-shadow: 0 0 3px #fff, 0 0 6px #fff, 0 0 9px #4caf50, 0 0 12px #4caf50; } 50% { box-shadow: 0 0 6px #fff, 0 0 12px #4caf50, 0 0 18px #4caf50, 0 0 24px #4caf50; } 100% { box-shadow: 0 0 3px #fff, 0 0 6px #fff, 0 0 9px #4caf50, 0 0 12px #4caf50; } }
@keyframes fadeIn { from {opacity: 0} to {opacity: 1} }
@keyframes slideIn { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* --- Theme Switch --- */
.theme-switch-wrapper { display: flex; align-items: center; }
.theme-switch { position: relative; display: inline-block; width: 60px; height: 34px; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.theme-switch .slider { background-color: #ccc; }
.theme-switch .slider:before { position: absolute; content: ""; height: 26px; width: 26px; left: 4px; bottom: 4px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--primary-blue); }
input:checked + .slider:before { transform: translateX(26px); }
.slider .sun-icon, .slider .moon-icon { position: absolute; top: 50%; transform: translateY(-50%); font-size: 16px; color: var(--accent-yellow); }
.slider .sun-icon { left: 8px; opacity: 1; transition: opacity 0.2s; }
.slider .moon-icon { right: 8px; opacity: 0; transition: opacity 0.2s; }
input:checked + .slider .sun-icon { opacity: 0; }
input:checked + .slider .moon-icon { opacity: 1; color: #fff; }

/* --- 최종 모바일 최적화 v3 --- */
@media (max-width: 768px) {
  body { background-color: var(--bg-color); }
  .container { padding: 0; }
  
  /* --- Header --- */
  header { padding: 10px; border-radius: 0; flex-direction: column; gap: 10px; margin-bottom: 10px; }
  h1 { font-size: 1.4rem; text-align: center; width: 100%; margin: 0; padding-bottom: 10px; }
  h1 a { display: flex; align-items: center; justify-content: center; gap: 10px; }
  .header-actions { display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 8px; }
  .header-actions .btn { width: 100%; font-size: 0.85rem; padding: 10px 5px; }
  .user-actions { grid-column: 1 / -1; display: flex; justify-content: center; margin: 0; padding: 5px 0; border: none; background-color: rgba(0,0,0,0.1); border-radius: 8px; }
  .user-name { display: none; }

  /* --- General Cards & Tabs --- */
  .card, .board-container, .admin-container, .mypage-container { padding: 0; margin-bottom: 0; border-radius: 0; box-shadow: none; background: none; }
  .card-title, .admin-header h2, .mypage-header, .board-header h2 { font-size: 1.2rem; padding: 15px; background-color: var(--card-bg-color); border-bottom: 1px solid var(--border-color); margin: 0; }
  .tabs { margin: 0; border-radius: 0; border-left: none; border-right: none; }
  .tab-content { margin: 0; border-radius: 0; border-left: none; border-right: none; padding: 15px; background-color: var(--card-bg-color); }

  /* --- Lotto Balls --- */
  .winning-num, .bonus-num, .prediction-num, .analysis-num, .num { width: 36px; height: 36px; font-size: 0.9rem; }
  .winning-numbers { gap: 6px; padding: 0 10px; }

  /* --- Admin & Mypage --- */
  .admin-container, .mypage-container { gap: 0; }
  .admin-sidebar, .mypage-sidebar { width: 100%; background-color: var(--card-bg-color); }
  .admin-sidebar .admin-card, .mypage-sidebar .mypage-card { padding: 0; border-radius: 0; box-shadow: none; border-bottom: 1px solid var(--border-color); }
  .admin-menu, .mypage-menu { display: flex; overflow-x: auto; padding: 5px 15px; margin: 0; -ms-overflow-style: none; scrollbar-width: none; }
  .admin-menu::-webkit-scrollbar, .mypage-menu::-webkit-scrollbar { display: none; }
  .admin-menu a, .mypage-menu a { flex-shrink: 0; padding: 10px 15px; font-size: 0.9rem; }
  .admin-content, .mypage-content { padding: 0; margin-top: 10px; }
  .admin-content .admin-card, .mypage-content .mypage-card { padding: 15px; box-shadow: none; border-radius: 0; margin: 0; }
  .admin-header, .mypage-header { padding: 0 0 15px 0; }
  .filter-form { flex-direction: column; width: 100%; align-items: stretch; gap: 8px; }
  .form-group input { max-width: 100%; }

  /* --- Responsive Tables (Card View) --- */
  .data-table, .activity-table, .board-table { border: none; }
  .data-table thead, .activity-table thead, .board-table thead { display: none; }
  .data-table tr, .activity-table tr, .board-table tr { display: block; border: none; border-radius: 8px; margin-bottom: 10px; padding: 15px; background-color: var(--card-bg-color); box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
  .data-table td, .activity-table td, .board-table td { display: block; text-align: left; border-bottom: none; padding: 4px 0; font-size: 0.9rem; }
  .data-table td:last-child, .activity-table td:last-child, .board-table td:last-child { padding-bottom: 0; }

  .data-table td::before, .activity-table td::before, .board-table td::before { content: attr(data-label); font-weight: 600; display: block; color: #888; font-size: 0.8rem; margin-bottom: 2px; }

  /* Card Title */
  .title-cell { padding: 0 0 8px 0 !important; margin-bottom: 8px; border-bottom: 1px solid #eee !important; }
  .title-cell::before { display: none !important; }
  .title-cell a { font-size: 1.1rem; font-weight: 600; }

  /* Card Actions */
  .action-buttons { padding-top: 10px; }
  .action-buttons::before { display: none; }
  .action-buttons { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
  .action-buttons form { margin: 0; flex-grow: 1; }
  .action-buttons .btn-sm { width: 100%; padding: 8px; }

  /* --- Board --- */
  .board-container { background-color: transparent; }
  .board-header { flex-direction: column; align-items: stretch; gap: 15px; padding: 15px; background-color: #fff; margin-bottom: 10px; }
  .board-footer { flex-direction: column; gap: 20px; padding: 15px; background-color: #fff; margin-top: 10px; }
  .pagination { flex-wrap: wrap; justify-content: center; }

  /* --- Mypage Stats --- */
  .rank-stat-item { flex-direction: row; align-items: center; }
  .rank-stat-item .count { margin-left: auto; }
  .stats-summary-card .total-count { font-size: 2.8rem; }
}